Sherlock
Dominant Ti: Magnussen collects and analyses information, and refers to his process of reviewing information as “reading.” He needs a way to organize information, thus the “mind palace” (my theory is that he has a photographic memory, but uses a memory palace in addition in order to organize his thoughts). Magnussen gives extremely short answers for everything, not giving out any information until he knows the people he’s giving it to will die before they can share it. He gets annoyed with Sherlock for asking questions, and tends to put them aside so that he can devote his energy to analyzing. He is perfectly capable of setting aside emotions in order to accomplish things. He doesn’t really plan ahead at all, but simply uses information to manipulate his environment in the here and now.
Auxiliary Ne: Magnussen easily recognizes connections between different bits of information, and quickly picks up on other people’s emotions. He has an emotional “pressure point” set for everyone, which he exploits to get them to do his bidding. He gets annoyed when Sherlock runs off on tangents, but prefers to stick to one idea at a time. He has no evil plan, but thrives simply off of making other people’s lives chaos and hell. He intuitively sees emotional connections between people, and recognizes possible ways to tear those connections down.
Tertiary Si: Magnussen has a much more powerful memory palace than Sherlock does, likely more of a photographic memory than an actual memory palace (at least that’s my theory – being a memory palace user myself, I doubt it possible to actually reach the extent that Magnussen supposedly does). That said, he almost doesn’t have a true method for remembering things –he just remembers them. Magnussen uses his vast store of knowledge to blackmail and manipulate people into giving him the ultimate power that he wants. Magnussen values tradition and order (though he derives order in his own affairs by creating chaos in other people’s). His house is classy and his attire always fresh.
Inferior Fe: Magnussen can read other people’s feelings like a book. He is loyal to no one and doesn’t care whether he hurts other people’s feelings (just so long as he gets his way). His time is extremely important to him, so he gets impatient when he feels like Sherlock is wasting his time. His feelings are mystically invisible on the surface, and his face typically assumes a dead-eyed stare. However, it’s safe to presume that most of his actions, though carried out through logic, are motivated by his feelings.
The Book Addict's Guide to MBTI: 
HE IS NOT AN INTP! I AM AN INTP AND WE ARE NOT LIKE HIM.
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When you were talking about Ne you said that “He gets annoyed when Sherlock runs off on tangents, but prefers to stick to one idea at a time.” I thought Ne users are the ones who are okay with wandering off topic, while Ni users would be annoyed when the subject gets off topic or I am resorting to stereotypes?
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My final one- Si and Fe are both labeled as tertiary functions.
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Are you looking for these? Very helpful, but…don’t you have homework or something?
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Would an INTP’s mind palace be different from an INTJ’s? I’m an intp and had tried to build one before, but it’s just too difficult to focus and organise all the information, I have problem creating vivid visual images as well.
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As previous commentary on this site has delved into, it’s likely that no Si user will ever be able to construct a detailed mind palace to the extent of Se users (especially Se users that also use Te). The reason for this is that Se is a visual, sensory based function, and the mind palace uses a great deal of detailed sensory information in order to work properly.
With regards to Magnussen, my theory is that he doesn’t actually have a mind palace, but that he’s simply good at memorising information using his Si.
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You left the O out of “dominant” at the beginning, and you listed both Si and Fe as tertiary.
I am an INTJ and am enjoying your site. Some of the typings are different than I had predicted, but I’m not (yet) very educated in MBTI, and your explanations make sense. I will be checking out your mind palace articles.
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Thanks for the correction (and for doing it tactfully). I’ll be fixing that.
My typings tend to deviate from the norm primarily because I have a different interpretation of characters than the cannon often does. I try to be as objective as possible.
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Can you please tell me more about your mind palace? How big it is? What do you think, why does it worth the straining to organise your knowledge into a palace? Isn’t it as good, as just simply storeing the information unorganized? How could I develop a mind palace to myself?
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Well, as a Te user, I don’t particularly enjoy having my store of information disorganised. Ti users (especially Ti/Ne users) don’t mind disorganised information so much –which is why I can’t stand xNTPs and xSFJs as professors.
I do have another mind palace post in the schedule because somebody else asked about it (and there’s one already hiding somewhere on this site if you want to try the search box).
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